office-gobmx/compilerplugins/clang/test/stringviewdangle.cxx
Noel Grandin 40077fe309 new loplugin:stringviewdangle
to find places where string_view is pointing into a temporary String

Change-Id: Ib530b36f441e95d83d8f687d40a97516a0806721
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133656
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2022-04-30 21:20:55 +02:00

37 lines
1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/config.h>
#include <string_view>
#include <utility>
#include <rtl/strbuf.hxx>
#include <rtl/string.hxx>
#include <rtl/ustrbuf.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
namespace test1
{
OUString foo1();
OUString& foo2();
void f1()
{
// expected-error@+1 {{view pointing into temporary i.e. dangling [loplugin:stringviewdangle]}}
std::u16string_view v = foo1();
// expected-error@+1 {{view pointing into temporary i.e. dangling [loplugin:stringviewdangle]}}
v = foo1();
// no warning expected
std::u16string_view v2 = foo2();
v2 = foo2();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */